Grand Forks Water Quality Report
5 cities ranked · Average grade: A · North Dakota
Avg Score
90
Cities Ranked
5
Health Violations
3
PFAS Detected
1
90
County avg score
5
Cities ranked
100%
A or B grade
0%
D or F grade
3
Health violations
1
PFAS detected
Grade Distribution
How Grand Forks cities scored
A
5
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs North Dakota average
▲ 4.6 pts above state average
City Map
Water quality across Grand Forks
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Grand Forks
Best cities
Worst cities
County context
99.9%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Grand Forks
Industrial polluters nearby
Facilities reporting the most surface-water releases in Grand Forks, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
J. R. SIMPLOT CO GRAND FORKS, ND58203 | — | — |
LM WIND POWER BLADES INC GRAND FORKS, ND58201 | — | — |
NORTH DAKOTA MILL GRAND FORKS, ND58203 | — | — |
PHILADELPHIA MACARONI CO GRAND FORKS, ND58203 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 5 cities in Grand Forks
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Thompson | A | 94.4 | 6K | 3 | Unresolved | |
| 2 | Grand Forks | A | 91.3 | 57K | 9 | Health | |
| 3 | Larimore | A- | 88.6 | 1K | 3 | Unresolved | |
| 4 | Northwood | A- | 88.1 | 945 | 10 | Health Unresolved | |
| 5 | Gilby | A- | 87.6 | 3K | 3 | Health Unresolved |